stm32l4xx_hal_gpio.h 14 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32l4xx_hal_gpio.h
  4. * @author MCD Application Team
  5. * @brief Header file of GPIO HAL module.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  10. *
  11. * Redistribution and use in source and binary forms, with or without modification,
  12. * are permitted provided that the following conditions are met:
  13. * 1. Redistributions of source code must retain the above copyright notice,
  14. * this list of conditions and the following disclaimer.
  15. * 2. Redistributions in binary form must reproduce the above copyright notice,
  16. * this list of conditions and the following disclaimer in the documentation
  17. * and/or other materials provided with the distribution.
  18. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  19. * may be used to endorse or promote products derived from this software
  20. * without specific prior written permission.
  21. *
  22. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  25. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  26. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  29. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32. *
  33. ******************************************************************************
  34. */
  35. /* Define to prevent recursive inclusion -------------------------------------*/
  36. #ifndef __STM32L4xx_HAL_GPIO_H
  37. #define __STM32L4xx_HAL_GPIO_H
  38. #ifdef __cplusplus
  39. extern "C" {
  40. #endif
  41. /* Includes ------------------------------------------------------------------*/
  42. #include "stm32l4xx_hal_def.h"
  43. /** @addtogroup STM32L4xx_HAL_Driver
  44. * @{
  45. */
  46. /** @addtogroup GPIO
  47. * @{
  48. */
  49. /* Exported types ------------------------------------------------------------*/
  50. /** @defgroup GPIO_Exported_Types GPIO Exported Types
  51. * @{
  52. */
  53. /**
  54. * @brief GPIO Init structure definition
  55. */
  56. typedef struct
  57. {
  58. uint32_t Pin; /*!< Specifies the GPIO pins to be configured.
  59. This parameter can be any value of @ref GPIO_pins */
  60. uint32_t Mode; /*!< Specifies the operating mode for the selected pins.
  61. This parameter can be a value of @ref GPIO_mode */
  62. uint32_t Pull; /*!< Specifies the Pull-up or Pull-Down activation for the selected pins.
  63. This parameter can be a value of @ref GPIO_pull */
  64. uint32_t Speed; /*!< Specifies the speed for the selected pins.
  65. This parameter can be a value of @ref GPIO_speed */
  66. uint32_t Alternate; /*!< Peripheral to be connected to the selected pins
  67. This parameter can be a value of @ref GPIOEx_Alternate_function_selection */
  68. }GPIO_InitTypeDef;
  69. /**
  70. * @brief GPIO Bit SET and Bit RESET enumeration
  71. */
  72. typedef enum
  73. {
  74. GPIO_PIN_RESET = 0,
  75. GPIO_PIN_SET
  76. }GPIO_PinState;
  77. /**
  78. * @}
  79. */
  80. /* Exported constants --------------------------------------------------------*/
  81. /** @defgroup GPIO_Exported_Constants GPIO Exported Constants
  82. * @{
  83. */
  84. /** @defgroup GPIO_pins GPIO pins
  85. * @{
  86. */
  87. #define GPIO_PIN_0 ((uint16_t)0x0001) /* Pin 0 selected */
  88. #define GPIO_PIN_1 ((uint16_t)0x0002) /* Pin 1 selected */
  89. #define GPIO_PIN_2 ((uint16_t)0x0004) /* Pin 2 selected */
  90. #define GPIO_PIN_3 ((uint16_t)0x0008) /* Pin 3 selected */
  91. #define GPIO_PIN_4 ((uint16_t)0x0010) /* Pin 4 selected */
  92. #define GPIO_PIN_5 ((uint16_t)0x0020) /* Pin 5 selected */
  93. #define GPIO_PIN_6 ((uint16_t)0x0040) /* Pin 6 selected */
  94. #define GPIO_PIN_7 ((uint16_t)0x0080) /* Pin 7 selected */
  95. #define GPIO_PIN_8 ((uint16_t)0x0100) /* Pin 8 selected */
  96. #define GPIO_PIN_9 ((uint16_t)0x0200) /* Pin 9 selected */
  97. #define GPIO_PIN_10 ((uint16_t)0x0400) /* Pin 10 selected */
  98. #define GPIO_PIN_11 ((uint16_t)0x0800) /* Pin 11 selected */
  99. #define GPIO_PIN_12 ((uint16_t)0x1000) /* Pin 12 selected */
  100. #define GPIO_PIN_13 ((uint16_t)0x2000) /* Pin 13 selected */
  101. #define GPIO_PIN_14 ((uint16_t)0x4000) /* Pin 14 selected */
  102. #define GPIO_PIN_15 ((uint16_t)0x8000) /* Pin 15 selected */
  103. #define GPIO_PIN_All ((uint16_t)0xFFFF) /* All pins selected */
  104. #define GPIO_PIN_MASK ((uint32_t)0x0000FFFF) /* PIN mask for assert test */
  105. /**
  106. * @}
  107. */
  108. /** @defgroup GPIO_mode GPIO mode
  109. * @brief GPIO Configuration Mode
  110. * Elements values convention: 0xX0yz00YZ
  111. * - X : GPIO mode or EXTI Mode
  112. * - y : External IT or Event trigger detection
  113. * - z : IO configuration on External IT or Event
  114. * - Y : Output type (Push Pull or Open Drain)
  115. * - Z : IO Direction mode (Input, Output, Alternate or Analog)
  116. * @{
  117. */
  118. #define GPIO_MODE_INPUT ((uint32_t)0x00000000) /*!< Input Floating Mode */
  119. #define GPIO_MODE_OUTPUT_PP ((uint32_t)0x00000001) /*!< Output Push Pull Mode */
  120. #define GPIO_MODE_OUTPUT_OD ((uint32_t)0x00000011) /*!< Output Open Drain Mode */
  121. #define GPIO_MODE_AF_PP ((uint32_t)0x00000002) /*!< Alternate Function Push Pull Mode */
  122. #define GPIO_MODE_AF_OD ((uint32_t)0x00000012) /*!< Alternate Function Open Drain Mode */
  123. #define GPIO_MODE_ANALOG ((uint32_t)0x00000003) /*!< Analog Mode */
  124. #define GPIO_MODE_ANALOG_ADC_CONTROL ((uint32_t)0x0000000B) /*!< Analog Mode for ADC conversion */
  125. #define GPIO_MODE_IT_RISING ((uint32_t)0x10110000) /*!< External Interrupt Mode with Rising edge trigger detection */
  126. #define GPIO_MODE_IT_FALLING ((uint32_t)0x10210000) /*!< External Interrupt Mode with Falling edge trigger detection */
  127. #define GPIO_MODE_IT_RISING_FALLING ((uint32_t)0x10310000) /*!< External Interrupt Mode with Rising/Falling edge trigger detection */
  128. #define GPIO_MODE_EVT_RISING ((uint32_t)0x10120000) /*!< External Event Mode with Rising edge trigger detection */
  129. #define GPIO_MODE_EVT_FALLING ((uint32_t)0x10220000) /*!< External Event Mode with Falling edge trigger detection */
  130. #define GPIO_MODE_EVT_RISING_FALLING ((uint32_t)0x10320000) /*!< External Event Mode with Rising/Falling edge trigger detection */
  131. /**
  132. * @}
  133. */
  134. /** @defgroup GPIO_speed GPIO speed
  135. * @brief GPIO Output Maximum frequency
  136. * @{
  137. */
  138. #define GPIO_SPEED_FREQ_LOW ((uint32_t)0x00000000) /*!< range up to 5 MHz, please refer to the product datasheet */
  139. #define GPIO_SPEED_FREQ_MEDIUM ((uint32_t)0x00000001) /*!< range 5 MHz to 25 MHz, please refer to the product datasheet */
  140. #define GPIO_SPEED_FREQ_HIGH ((uint32_t)0x00000002) /*!< range 25 MHz to 50 MHz, please refer to the product datasheet */
  141. #define GPIO_SPEED_FREQ_VERY_HIGH ((uint32_t)0x00000003) /*!< range 50 MHz to 80 MHz, please refer to the product datasheet */
  142. /**
  143. * @}
  144. */
  145. /** @defgroup GPIO_pull GPIO pull
  146. * @brief GPIO Pull-Up or Pull-Down Activation
  147. * @{
  148. */
  149. #define GPIO_NOPULL ((uint32_t)0x00000000) /*!< No Pull-up or Pull-down activation */
  150. #define GPIO_PULLUP ((uint32_t)0x00000001) /*!< Pull-up activation */
  151. #define GPIO_PULLDOWN ((uint32_t)0x00000002) /*!< Pull-down activation */
  152. /**
  153. * @}
  154. */
  155. /**
  156. * @}
  157. */
  158. /* Exported macro ------------------------------------------------------------*/
  159. /** @defgroup GPIO_Exported_Macros GPIO Exported Macros
  160. * @{
  161. */
  162. /**
  163. * @brief Check whether the specified EXTI line flag is set or not.
  164. * @param __EXTI_LINE__: specifies the EXTI line flag to check.
  165. * This parameter can be GPIO_PIN_x where x can be(0..15)
  166. * @retval The new state of __EXTI_LINE__ (SET or RESET).
  167. */
  168. #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR1 & (__EXTI_LINE__))
  169. /**
  170. * @brief Clear the EXTI's line pending flags.
  171. * @param __EXTI_LINE__: specifies the EXTI lines flags to clear.
  172. * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
  173. * @retval None
  174. */
  175. #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR1 = (__EXTI_LINE__))
  176. /**
  177. * @brief Check whether the specified EXTI line is asserted or not.
  178. * @param __EXTI_LINE__: specifies the EXTI line to check.
  179. * This parameter can be GPIO_PIN_x where x can be(0..15)
  180. * @retval The new state of __EXTI_LINE__ (SET or RESET).
  181. */
  182. #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR1 & (__EXTI_LINE__))
  183. /**
  184. * @brief Clear the EXTI's line pending bits.
  185. * @param __EXTI_LINE__: specifies the EXTI lines to clear.
  186. * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
  187. * @retval None
  188. */
  189. #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR1 = (__EXTI_LINE__))
  190. /**
  191. * @brief Generate a Software interrupt on selected EXTI line.
  192. * @param __EXTI_LINE__: specifies the EXTI line to check.
  193. * This parameter can be GPIO_PIN_x where x can be(0..15)
  194. * @retval None
  195. */
  196. #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER1 |= (__EXTI_LINE__))
  197. /**
  198. * @}
  199. */
  200. /* Private macros ------------------------------------------------------------*/
  201. /** @addtogroup GPIO_Private_Macros GPIO Private Macros
  202. * @{
  203. */
  204. #define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))
  205. #define IS_GPIO_PIN(__PIN__) ((((__PIN__) & GPIO_PIN_MASK) != (uint32_t)0x00) &&\
  206. (((__PIN__) & ~GPIO_PIN_MASK) == (uint32_t)0x00))
  207. #define IS_GPIO_MODE(__MODE__) (((__MODE__) == GPIO_MODE_INPUT) ||\
  208. ((__MODE__) == GPIO_MODE_OUTPUT_PP) ||\
  209. ((__MODE__) == GPIO_MODE_OUTPUT_OD) ||\
  210. ((__MODE__) == GPIO_MODE_AF_PP) ||\
  211. ((__MODE__) == GPIO_MODE_AF_OD) ||\
  212. ((__MODE__) == GPIO_MODE_IT_RISING) ||\
  213. ((__MODE__) == GPIO_MODE_IT_FALLING) ||\
  214. ((__MODE__) == GPIO_MODE_IT_RISING_FALLING) ||\
  215. ((__MODE__) == GPIO_MODE_EVT_RISING) ||\
  216. ((__MODE__) == GPIO_MODE_EVT_FALLING) ||\
  217. ((__MODE__) == GPIO_MODE_EVT_RISING_FALLING) ||\
  218. ((__MODE__) == GPIO_MODE_ANALOG) ||\
  219. ((__MODE__) == GPIO_MODE_ANALOG_ADC_CONTROL))
  220. #define IS_GPIO_SPEED(__SPEED__) (((__SPEED__) == GPIO_SPEED_FREQ_LOW) ||\
  221. ((__SPEED__) == GPIO_SPEED_FREQ_MEDIUM) ||\
  222. ((__SPEED__) == GPIO_SPEED_FREQ_HIGH) ||\
  223. ((__SPEED__) == GPIO_SPEED_FREQ_VERY_HIGH))
  224. #define IS_GPIO_PULL(__PULL__) (((__PULL__) == GPIO_NOPULL) ||\
  225. ((__PULL__) == GPIO_PULLUP) || \
  226. ((__PULL__) == GPIO_PULLDOWN))
  227. /**
  228. * @}
  229. */
  230. /* Include GPIO HAL Extended module */
  231. #include "stm32l4xx_hal_gpio_ex.h"
  232. /* Exported functions --------------------------------------------------------*/
  233. /** @addtogroup GPIO_Exported_Functions GPIO Exported Functions
  234. * @{
  235. */
  236. /** @addtogroup GPIO_Exported_Functions_Group1 Initialization/de-initialization functions
  237. * @brief Initialization and Configuration functions
  238. * @{
  239. */
  240. /* Initialization and de-initialization functions *****************************/
  241. void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init);
  242. void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin);
  243. /**
  244. * @}
  245. */
  246. /** @addtogroup GPIO_Exported_Functions_Group2 IO operation functions
  247. * @{
  248. */
  249. /* IO operation functions *****************************************************/
  250. GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
  251. void HAL_GPIO_WritePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState);
  252. void HAL_GPIO_TogglePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
  253. HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
  254. void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin);
  255. void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin);
  256. /**
  257. * @}
  258. */
  259. /**
  260. * @}
  261. */
  262. /**
  263. * @}
  264. */
  265. /**
  266. * @}
  267. */
  268. #ifdef __cplusplus
  269. }
  270. #endif
  271. #endif /* __STM32L4xx_HAL_GPIO_H */
  272. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/